81695955

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{3323}}^1$

素因数の和:3491

約数の個数: 32

約数和(自身を含む): 143596800

約数和(自身を除く): 61900845

約数列:

[1, 3, 5, 11, 15, 33, 55, 149, 165, 447, 745, 1639, 2235, 3323, 4917, 8195, 9969, 16615, 24585, 36553, 49845, 109659, 182765, 495127, 548295, 1485381, 2475635, 5446397, 7426905, 16339191, 27231985, 81695955]

約数ペア:

[(1, 81695955), (3, 27231985), (5, 16339191), (11, 7426905), (15, 5446397), (33, 2475635), (55, 1485381), (149, 548295), (165, 495127), (447, 182765), (745, 109659), (1639, 49845), (2235, 36553), (3323, 24585), (4917, 16615), (8195, 9969)]